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Mapping of contaminants in geologic formations

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
Reexamination Certificate

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Material and method for lining pipes

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
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Material and method for lubricating the metal surfaces of an...

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Mechanism and method for continuously constructing reinforced co

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for advancing cylindrical bodies undergroun

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for advancing cylindrical bodies undergroun

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for constructing reinforced concrete walls

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Vertical
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Method and apparatus for constructing underground structure

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for continuous production of quick-setting

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for continuously boring and lining tunnels

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for continuously boring and lining tunnels

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for continuously excavating shaft and tunne

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for controlling attitude of shield excavato

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for detecting collapse of natural ground in

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for effecting high pressure isolation of li

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel
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Method and apparatus for feeding a tunnel roof support...

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
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Method and apparatus for formation of a tunnel lining

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for grouting of tunnel liners

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for modifying the cross-sectional profile o

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
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Method and apparatus for relining underground passageway

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
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